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1074238281 = 3433913911
BaseRepresentation
bin100000000000111…
…1001001101001001
32202212100221220000
41000001321031021
54200001111111
6254332353213
735422606014
oct10001711511
92685327800
101074238281
1150141a136
1225b915809
13141730b6c
14a295437b
1564497c56
hex40079349

1074238281 has 20 divisors (see below), whose sum is σ = 1605609984. Its totient is φ = 715764600.

The previous prime is 1074238267. The next prime is 1074238301. The reversal of 1074238281 is 1828324701.

It is not a de Polignac number, because 1074238281 - 215 = 1074205513 is a prime.

It is a super-2 number, since 2×10742382812 = 2307975768731669922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1074238181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272716 + ... + 276626.

Almost surely, 21074238281 is an apocalyptic number.

It is an amenable number.

1074238281 is a deficient number, since it is larger than the sum of its proper divisors (531371703).

1074238281 is an equidigital number, since it uses as much as digits as its factorization.

1074238281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314 (or 7305 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1074238281 is about 32775.5744572082. The cubic root of 1074238281 is about 1024.1577951131.

The spelling of 1074238281 in words is "one billion, seventy-four million, two hundred thirty-eight thousand, two hundred eighty-one".

Divisors: 1 3 9 27 81 3391 3911 10173 11733 30519 35199 91557 105597 274671 316791 13262201 39786603 119359809 358079427 1074238281